. >> this is all too common a sight in sonoma and napa county. highway 121 and highway 12 floods after a heavy rain and then becomes a river when the high tide occurs and pours more water into the area. the road will be closed until sometime on wednesday. the rain was heavy throughout the bay area. the streets became flooded after 5:00 p.m. umbrellas were a necessary part of any wardrobe on this christmas day. the rain poured down on richmond and mcdonald avenue slowing traffic. the frontage roads were partially covered. few drivers slowed down. roads were filled with people returning from spending the holidays with family and friends. they were very busy due to twice the usual accidents. cedric emerson is ready for dry weather. >> i am actually from the bay area, so i am used to it. it is definitely rough when you drive out there on the freeways. >> are you happy to see the rain go? >> yes, i am. i am ready to get this nice weather back. >> water was the reason for the closure. but the rain was not the culprit. a watermain burst beneath the road